Finding the Fourth Proportional to 13,491,532.04, 20,238,715.74 and 4,394,338.02
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Solution
The fourth proportional to 13,491,532.04, 20,238,715.74 and 4,394,338.02 is: 6,591,968.78
Step by Step Solution
- Step 1: Write the proportion equation
13,491,532.04 : 20,238,715.74 = 4,394,338.02 : x - Step 2: Convert to fraction form
13,491,532.04/20,238,715.74 = 4,394,338.02/x - Step 3: Cross multiply
13,491,532.04x = 20,238,715.74 × 4,394,338.02 - Step 4: Simplify right side
13,491,532.04x = 88,935,758,052,254.42 - Step 5: Solve for x
x = 88,935,758,052,254.42/13,491,532.04 - Step 6: Final answer
x = 6,591,968.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.